OAC Flashcards
MC cause?
Extraction max. 1st MOLAR… Palatal root..
Rx of OAC if less than or = 2mm?
Allow the CLOT to stabilize…
Observe for 2 wks…
If heals —+ fine!! If doesn’t self-heal – Surgical closure…
Rx if OAC is 3 to 6 mm??
- Pack the Socket with GELATIN Sponge… Figure of 8 suture to protect the blood clot…
Rx of OAC is = or more than 7 mm??
ALWAYS Surgical closure..
What if tooth is pushed into max sinus?
Close the OAC.. Retrieve root via Caldwel Luc surgery…
All r buccal flaps for OAC Closure…?
- Von Rehman
- Moczair
- Buccal hinge flap
What’s ASHLEY technique?
Palatal pedicled flap or palatal rotational advancement flap…
Chief reason for success of ASHLEY flap?
Abundant blood supply as it contains the GREATER PALATINE BV….
Von Rehman flap is AKA?
Buccal advancement flap or sliding flap…
What’s BERGER technique?
To increase mobilization of VON Rehman flap… Periosteum is incized to release it… This release is is BERGER Tech..
Most commonly used flap for OAC closure?
Von Rehman’s
Disadv of Von Rehman?
Shortening of vestibular depth
Disadv of palatal flap?
- Less mobility as it’s firmly attached to the underlying bone
- Chances of injury to GP nerves n BV…
What’s kruger’s tech?
Modification of Ashley
To cover posterior or 3rd molar OAF?
Palatal ISLAND flap..
Recent concept used to cover OAF?
Sandwich tech — Bone graft + GTR
Why can’t Gold foil, Titanium n all be used to cover OAF??
Foreign body extrusion…
(P - 5/22) An Oro antral communication during extraction..?
Should be closed surgically immediately…
Over…… No Rx required immediately
and another option — Reflux of fluids into nasal cavity can be demonstrated… Both these given as wrong…
Nasal antrotomy done through?
Interior meatus… ( Below inferior concha or turbinate )
Main aim of nasal antrotomy?
To allow drainage from sinus into nasal cavity…
Spontaneous closure can be expected in?
Acute OAF… Not Ch..
Max sinusitis symptoms?
Post nasal drip
Tenderness over the involved area
Change in phonation
The ADULT Max sinus always directly above?
MOLARS
Over filling may force the material directly into?
Max 1st MOLAR